diff options
Diffstat (limited to 'drivers/media/usb/s2255/s2255drv.c')
| -rw-r--r-- | drivers/media/usb/s2255/s2255drv.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 43ba71a7d02b..f7bb78c1873c 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -717,7 +717,7 @@ static void buffer_queue(struct vb2_buffer *vb) static int start_streaming(struct vb2_queue *vq, unsigned int count); static void stop_streaming(struct vb2_queue *vq); -static struct vb2_ops s2255_video_qops = { +static const struct vb2_ops s2255_video_qops = { .queue_setup = queue_setup, .buf_prepare = buffer_prepare, .buf_queue = buffer_queue, @@ -1901,19 +1901,30 @@ static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, s32 TransferBufferLength, int bOut) { int r; + unsigned char *buf; + + buf = kmalloc(TransferBufferLength, GFP_KERNEL); + if (!buf) + return -ENOMEM; + if (!bOut) { r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - Value, Index, TransferBuffer, + Value, Index, buf, TransferBufferLength, HZ * 5); + + if (r >= 0) + memcpy(TransferBuffer, buf, TransferBufferLength); } else { + memcpy(buf, TransferBuffer, TransferBufferLength); r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, - Value, Index, TransferBuffer, + Value, Index, buf, TransferBufferLength, HZ * 5); } + kfree(buf); return r; } @@ -2113,11 +2124,8 @@ static int s2255_start_readpipe(struct s2255_dev *dev) pipe_info->state = 1; pipe_info->err_count = 0; pipe_info->stream_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!pipe_info->stream_urb) { - dev_err(&dev->udev->dev, - "ReadStream: Unable to alloc URB\n"); + if (!pipe_info->stream_urb) return -ENOMEM; - } /* transfer buffer allocated in board_init */ usb_fill_bulk_urb(pipe_info->stream_urb, dev->udev, pipe, @@ -2290,10 +2298,8 @@ static int s2255_probe(struct usb_interface *interface, } dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->fw_data->fw_urb) { - dev_err(&interface->dev, "out of memory!\n"); + if (!dev->fw_data->fw_urb) goto errorFWURB; - } dev->fw_data->pfw_data = kzalloc(CHUNK_SIZE, GFP_KERNEL); if (!dev->fw_data->pfw_data) { |